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VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage 12KV/ 40.5KV

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VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage 12KV/ 40.5KV

Name: VCB Fixed Type Indoor Vacuum Circuit Breaker With High Voltage 12KV 405KV
Brand: TIANAN Electric
Price: 1 USD

Brand Name : TIANAN Electric

Model Number : ZN12-12/40.5

Certification : GB1984, JB3855, DL403 and IEC standards

Place of Origin : CHINA

Price : Pending

Payment Terms : L/C, T/T, D/A, D/P

Supply Ability : 1000sets Per year

Delivery Time : 30days

Packaging Details : wooden case

Rated voltage : 12KV/24KV/40.5KV

Rated Current : 630,1250,1600,2000,2500,3150

Poles Number : 3

Altitude : ≤2000m

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VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage12KV/ 40.5KV

1. General Features

ZN12 -40.5 series indoor high voltage vacuum circuit breaker applied to power system that of 35KV three-phase AC 50HZ. It is using the longitudinal magnetic field contacts for the ceramic structure,the proliferation of breaking arc generated when current distribution in the contact on the same local melting phenomenon does not occur, but also has a low arc energy voltage (20-200V) and low chopping current (4-5A), and operate with high reliability organizations.

2. Environmental Condition

Altitude:not exceed 2000m
Ambient temperature:not higher than +40°C, not less than -10°C
Relative humidity:daily average relative humidity:≤95%;monthly average relative humidity≤90%;daily average saturated vapor pressure ≤2.2KPa;monthly average value ≤1.8KPa
Earthquake intensity:≤8 degree
The installation should be free from fire,explosion,severe vibration,chemical corrosion and serious pollution

3. Technical Data

No.	Item	Unit	Data
1	Rated voltage	KV	40.5
2	Rated current	A	1250,1600,2000,2500,3150
3	Rated frequency	HZ	50
4	Rated short time with stand current	KA	25,31.5
5	Rated short-circuit breaking current times		20
6	Mechanical life	times	30000
7	Rated lightning impulse with stand voltage	KV	185
8	Rated operating sequence		O-0.3S-CO-180S-CO
9	Raged voltage of closing and opening electromagnet	V	AC/DC220,110
10	Rated voltage of no-voltage release	V	AC/DC220,110
11	Rated short-duration power frequency withstand voltage (1min)	KV	95
12	Opening time	ms	30≤t≤75
13	Closing time	ms	30≤t≤65
14	Energy storage time	s	≤15

4. Application

ZN12-40.5 series indoor high voltage vacuum circuit breaker is the main switch applying to KYN-40.5/GBC-40.5 series switchgear. As a movable unit, the circuit breaker is installed on the hand cart of switch cabinet. This kind also can be used for fixed mounting unit in XGN-40.5 switchgear.

This breaker was designed as a unit which gathering actuator andcircuit breaker main body. Special spring energy storage type operating mechanism can be used in AC / DC operation, manual operation.

Product Tags:

electrical protection devices

intelligent power distribution

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